Clutch device for clothing processing device

Abstract

A clothing processing device comprises a driving motor, a drying fan, a driven wheel and a drying drum, a first output end of the driving motor is connected with the drying fan, a second output end drives the driven wheel, the driven wheel drives the drying drum to rotate through a belt, the driven wheel is installed on the driving motor in a swinging manner through a rocker arm. A clutch device drives the rocker arm to rotate to a position at which the driven wheel and the belt are engaged with or separated from each other and are kept fixed. The clutch device is applied to a clothing processing device provided with a washing drum and a drying drum, which is beneficial for switching between the washing drum and the drying drum for drying separately when the washing drum and the drying drum use the same drying system.

1 . A clutch device for a clothing processing device, wherein the clothing processing device comprises a driving motor, a drying fan, a driven wheel and a drying drum, a first output end of the driving motor is in transmission connection with the drying fan, a second output end of the driving motor drives the driven wheel to rotate, the driven wheel drives the drying drum to rotate via a belt, the driven wheel is installed on the driving motor in a swinging manner through a rocker arm, and the clutch device drives the rocker arm to rotate to a position at which the driven wheel and the belt are engaged with or separated from each other and are kept fixed. 
     
     
         2 . The clutch device for the clothing processing device according to  claim 1 , comprising a driving mechanism configured to drive the rocker arm to rotate and a stop mechanism configured to control the driving mechanism to stop, wherein when the driving mechanism drives the rocker arm to rotate to the position at which the driven wheel is engaged with or separated from the belt, the stop mechanism controls the driving mechanism to stop, such that the driven wheel and the belt keep an engaged or separated state. 
     
     
         3 . The clutch device for the clothing processing device according to  claim 2 , wherein the stop mechanism comprises an induction switch and a switch triggering part, the switch triggering part is arranged at a driving end of the driving mechanism, and when the driving end drives the rocker arm to rotate to the position at which the driven wheel is engaged with or separated from the belt, the switch triggering part triggers the induction switch, and the driving mechanism is stopped. 
     
     
         4 . The clutch device for the clothing processing device according to  claim 3 , wherein the driving mechanism comprises a motor, a driving shaft of the motor is fixed with a driving part, the driving part is provided with the switch triggering part and a connecting part for connecting a transmission part, the driving part drives the rocker arm to swing through the transmission part, such that the driven wheel is engaged with or separated from the belt, and the switch triggering part triggers the induction switch when the rocker arm swings to the position at which the driven wheel is engaged with or separated from the belt, such that the driven wheel and the belt keep the engaged or separated state. 
     
     
         5 . The clutch device for the clothing processing device according to  claim 4 , wherein the induction switch comprises a first contact and a second contact, the driving part, corresponding to the first contact and the second contact, is respectively provided with a first switch triggering part and a second switch triggering part in a protruding manner, when the driving part rotates to a position at which the driven wheel is engaged with the belt, the first switch triggering part or the second switch triggering part triggers the first contact or the second contact, and the driving mechanism is stopped;
 when the driving part rotates to the position at which the driven wheel is separated from the belt, the second switch triggering part or the first switch triggering part triggers the corresponding contact, and the driving mechanism is stopped.   
     
     
         6 . The clutch device for the clothing processing device according to  claim 5 , wherein the driving part comprises a blocky body, the first contact and the second contact are arranged in sequence along a same direction in parallel with an axis of the motor, the first switch triggering part is arranged on the blocky body corresponding to the first contact, the second switch triggering part is on the blocky body corresponding to the second contact, and the connecting part is arranged on the blocky body in a same radial direction as the first switch triggering part or the second switch triggering part; and
 the switch triggering part provided with the connecting part rotates and is far away from the driving motor, the driven wheel is engaged with the belt, an other switch triggering part is in contact with the corresponding contact, the driving mechanism is stopped, the switch triggering part provided with the connecting part rotates and is adjacent to the driving motor, the driven wheel is separated from the belt, the switch triggering part provided with the connecting part is in contact with the corresponding contact, and the driving mechanism is stopped.   
     
     
         7 . The clutch device for the clothing processing device according to  claim 5 , wherein the first switch triggering part and the second switch triggering part are respectively arranged at two opposite sides on the blocky body, the induction switch is arranged on a top of the blocky body, and the first contact and the second contact of the induction switch are respectively arranged at tops of the two switch triggering parts; and
 when the switch triggering part provided with the connecting part rotates to a lowest end, the driven wheel is engaged with the belt, an other switch triggering part is in contact with the corresponding contact, the driving mechanism is stopped; when the switch triggering part provided with the connecting part rotates to the top, the driven wheel is separated from the belt, the switch triggering part provided with the connecting part is in contact with the corresponding contact, and the driving mechanism is stopped.   
     
     
         8 . The clutch device for the clothing processing device according to  claim 4 , wherein the transmission part is an elastic piece, the clutch device comprises a limiting piece, an end of the limiting piece is connected onto the connecting part of the driving part, and an other end of the limiting piece is connected and matched with the rocker arm, in a process the driving part driving or fixing the rocker arm, a relative distance between the connecting part limiting the driving part and the rocker arm is limited to be within a certain range, and a spring is protected. 
     
     
         9 . The clutch device for the clothing processing device according to  claim 8 , wherein the rocker arm is provided with a protruding connecting part, an end of the limiting piece is connected to the protruding connecting part on the driving part in a rotatable manner, an other end of the limiting piece is provided with a strip-shaped chute, the protruding connecting part on the rocker arm is connected with the chute in a slidable manner, and the chute limits the rocker arm to rotate within a certain range. 
     
     
         10 . The clutch device for the clothing processing device according to  claim 8 , wherein the elastic piece is the spring, an end of the spring is connected to the connecting part on the driving part, an other end of the spring is connected to the protruding connecting part on the rocker arm, and the limiting piece is arranged to go through the spring. 
     
     
         11 . The clutch device for the clothing processing device according to  claim 4 , wherein the switch triggering part is a convex block arranged on the driving part, in a rotating process of the driving part, the protruding part is in contact with the induction switch, to trigger the induction switch. 
     
     
         12 . The clutch device for the clothing processing device according to  claim 6 , wherein the first switch triggering part and the second switch triggering part are respectively arranged at two opposite sides on the blocky body, the induction switch is arranged on a top of the blocky body, and the first contact and the second contact of the induction switch are respectively arranged at tops of the two switch triggering parts; and
 when the switch triggering part provided with the connecting part rotates to a lowest end, the driven wheel is engaged with the belt, an other switch triggering part is in contact with the corresponding contact, the driving mechanism is stopped; when the switch triggering part provided with the connecting part rotates to the top, the driven wheel is separated from the belt, the switch triggering part provided with the connecting part is in contact with the corresponding contact, and the driving mechanism is stopped.   
     
     
         13 . The clutch device for the clothing processing device according to  claim 5 , wherein the transmission part is an elastic piece, the clutch device comprises a limiting piece, an end of the limiting piece is connected onto the connecting part of the driving part, and an other end of the limiting piece is connected and matched with the rocker arm, in a process the driving part driving or fixing the rocker arm, a relative distance between the connecting part limiting the driving part and the rocker arm is limited to be within a certain range, and a spring is protected. 
     
     
         14 . The clutch device for the clothing processing device according to  claim 6 , wherein the transmission part is an elastic piece, the clutch device comprises a limiting piece, an end of the limiting piece is connected onto the connecting part of the driving part, and an other end of the limiting piece is connected and matched with the rocker arm, in a process the driving part driving or fixing the rocker arm, a relative distance between the connecting part limiting the driving part and the rocker arm is limited to be within a certain range, and a spring is protected. 
     
     
         15 . The clutch device for the clothing processing device according to any of  claim 9 , wherein the elastic piece is the spring, an end of the spring is connected to the connecting part on the driving part, an other end of the spring is connected to the protruding connecting part on the rocker arm, and the limiting piece is arranged to go through the spring.